docs: revert adapter-node snippet change

[Rich-Harris]

#16213 (comment)

[pkg-svelte-dev]

Install the latest version of @sveltejs/kit from 07e48ac:

pnpm add https://pkg.svelte.dev/@sveltejs/kit/c/07e48ac705058e57c38e269c1288f693868306f2

Open in pkg.svelte.dev: https://pkg.svelte.dev/repos/kit/pr/16216

[changeset-bot]

⚠️ No Changeset found

Latest commit: 07e48ac

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[svelte-docs-bot]

Preview: https://svelte-dev-git-preview-kit-16216-svelte.vercel.app/

[teemingc]

The same change is included in #16215 so I'm going to close this one since it also errors without the type change